{"title":"12AX7 \/ ECC83 \/ 7025","description":"\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva; font-size: small; color: #000000;\"\u003eThe 12AX7 is by far the most common out of all preamp tubes.  Also known as the ECC83 or the 7025, it is a dual triode tube that has the highest voltage gain of all preamp tubes, with a mu of 100.  Widely used across guitar amplifiers and hi-fi applications.\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"color: #000000; font-family: verdana, geneva; font-size: small;\"\u003eFor less gain, you can replace a 12AX7 with 5751, 12AT7, or a 12AY7\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e \u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva; font-size: small; color: #000000;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003chr\u003e\u003cbr\u003e\u003cp\u003e \u003c\/p\u003e","products":[{"product_id":"jan-philips-12ax7wa","title":"JAN Philips 12AX7WA","description":"\u003cp\u003eThe JAN Philips 12AX7WA is the last of the 80's military production. \u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"None","offer_id":22138233159798,"sku":"JAN12AX7WA-03","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/jan12ax7wa.jpg?v=1549578190"},{"product_id":"jj-ecc803s-in-stock","title":"JJ ECC803S","description":"The JJ ECC803S are longer plated 12AX7's, with a spiral filament that reduces noise.  Thick tone, these are quite popular with many of our customers. Nice in the phase inverter spot. ","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":22138239287414,"sku":"JJECC803S","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/jjecc803s.jpg?v=1549578224"},{"product_id":"jj-ecc83s","title":"JJ ECC83S","description":"The JJ ECC83S \/ 12AX7 is perhaps the most consistently high gain of all 12AX7's. Given the gain, it is generally very low noise and microphonics. The JJ ECC83 has darker sound characteristics and great for metal and hard rock. Also known as the Groove Tubes ECC83-S and Ruby 12AX7ACZ HG. Same grade as Ruby 12AX7ACZ HG. \u003cbr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: small;\"\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva; font-size: small;\"\u003e\u003ca href=\"https:\/\/www.jj-electronic.com\/images\/stories\/product\/preamplifying_tubes\/pdf\/ecc83s.pdf\" title=\"\u0026lt; JJ ECC83S - Data Sheet \u0026gt;\" target=\"_blank\"\u003e\u003cspan style=\"color: #003366;\"\u003eJJ ECC83S Data Sheet\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"None","offer_id":40188451913789,"sku":"JJECC83","price":19.95,"currency_code":"USD","in_stock":true},{"title":"Balanced triodes","offer_id":40188452831293,"sku":"","price":22.95,"currency_code":"USD","in_stock":true},{"title":"Balanced and Matched Triodes","offer_id":40188452929597,"sku":"","price":25.95,"currency_code":"USD","in_stock":true},{"title":"High Gain","offer_id":40188453158973,"sku":"","price":22.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/jjecc83.jpg?v=1549578231"},{"product_id":"mullard-12ax7-re-issue","title":"Mullard 12AX7 Re-issue","description":"\u003cp\u003eThe Mullard 12AX7 is a new sensor re-issue, and has been said by some of our customers to warm up the amp, and tame harshness. Low noise, and a smooth tone. These don't appear to light up because of the spiral filaments, please listen to your amp before emailing us about a DOA tube!\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"http:\/\/shop.ehx.com\/catalog\/tubes-specs\/12AX7-ECC83%20Mullard.pdf\" target=\"0\"\u003ehttp:\/\/shop.ehx.com\/catalog\/tubes-specs\/12AX7-ECC83%20Mullard.pdf\u003c\/a\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"None","offer_id":22138241810550,"sku":"Mullard12AX7-05","price":24.95,"currency_code":"USD","in_stock":true},{"title":"Matched Gain (+$3.00)","offer_id":22138241679478,"sku":"Mullard12AX7-01","price":32.95,"currency_code":"USD","in_stock":true},{"title":"Balanced Triodes (+$3.00)","offer_id":22138241712246,"sku":"Mullard12AX7-02","price":32.95,"currency_code":"USD","in_stock":true},{"title":"High Gain (+$3.00)","offer_id":22138241745014,"sku":"Mullard12AX7-03","price":32.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/mullard12ax7.jpg?v=1549578235"},{"product_id":"ruby-12ax7ac5-hg","title":"Ruby 12AX7AC5 HG","description":"\u003cp\u003eThe Ruby 12AX7AC5 HG High Grade tube is the Shuguang 12AX7 9th gen tube, but distributed by Magic Parts. These are a very consistently made tube, sweet sounding, and very warm. High grade is a measuring system used by Magic Parts, which basically means the tube is better suited for amps that need more quiet tubes. \u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Standard","offer_id":29523212828790,"sku":"Ruby12AX7AC5HG-01","price":24.95,"currency_code":"USD","in_stock":true},{"title":"Matched Sides","offer_id":42262272016445,"sku":null,"price":27.95,"currency_code":"USD","in_stock":true},{"title":"Balanced Triodes","offer_id":42262272049213,"sku":null,"price":27.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/ruby12ax7ac5hg.jpg?v=1549578300"},{"product_id":"ruby-12ax7ac5-hg-1","title":"Ruby 12AX7AC5 HG+","description":"\u003cp\u003eThe Ruby 12AX7AC5 High Grade tube is the Shuguang 12AX7 9th gen tube, but distributed by Magic Parts. These are a very consistently made tube, sweet sounding, and very warm. \"High grade +\" is one of the labels in the measuring system used by Magic Parts. It basically means the tube is best suited for the most sensitive first gain V1 spots. New 2024 production. \u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"None","offer_id":40606585684029,"sku":"Ruby12AX7AC5HG+","price":27.95,"currency_code":"USD","in_stock":true},{"title":"Matched Gain (+32.95)","offer_id":42041546637373,"sku":"","price":30.95,"currency_code":"USD","in_stock":true},{"title":"Balanced Triodes (+32.95)","offer_id":42041547030589,"sku":"","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/ruby12ax7ac5hg_0583fbaa-ab5f-427a-a058-cecd2499aefc.jpg?v=1549578304"},{"product_id":"ruby-12ax7ac7-hg","title":"Ruby 12AX7AC7 HG","description":"The Ruby 12AX7AC7 HG High Grade is a sino chinese tube made in the Shuguang factory.  It's very warm and sweet, with great overdrive. This tube has Mullard style plates, also marketed as the TAD 7025-S and the \"Preferred Series 7025\". They're back!! Same as TAD 7025-S, Preferred Series 7025 and Gold Lion Standard pin 12AX7.","brand":"vendor-unknown","offers":[{"title":"Standard","offer_id":41548986384445,"sku":"","price":29.95,"currency_code":"USD","in_stock":true},{"title":"Matched triodes(+$3.00)","offer_id":22138251477110,"sku":"Ruby12AX7AC7HG-01","price":32.95,"currency_code":"USD","in_stock":true},{"title":"Balanced triodes(+$3.00)","offer_id":22138251509878,"sku":"Ruby12AX7AC7HG-02","price":32.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/ruby12ax7ac7hg.jpg?v=1549578311"},{"product_id":"ruby-12ax7acz-hg","title":"Ruby 12AX7ACZ HG","description":"The Ruby 12AX7ACZ High Grade is a re-labeled JJ ECC83. It's the highest gain of all the 12AX7's, loved by classic rock and heavy metal guitarists. Plenty of chunk and on the dark side. Also the same grade as our JJ ECC83.","brand":"vendor-unknown","offers":[{"title":"None","offer_id":31424792658038,"sku":"","price":20.95,"currency_code":"USD","in_stock":true},{"title":"Balanced triodes","offer_id":22138251640950,"sku":"Ruby12AX7ACZHG-02","price":23.95,"currency_code":"USD","in_stock":true},{"title":"High Gain","offer_id":40184331108413,"sku":"","price":23.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/ruby12ax7aczhg.jpg?v=1549578313"},{"product_id":"sovtek-12ax7wa","title":"Sovtek 12AX7WA","description":"\u003cp\u003eThe Sovtek 12AX7WA is OEM for a lot of major amp makers. Super low microphonics, and durable - great for players on a budget. Also known as the Groove Tubes 12AX7-R.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: small;\"\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003ca href=\"http:\/\/shop.ehx.com\/catalog\/tubes-specs\/12AX7WA.pdf\" target=\"0\"\u003ehttp:\/\/shop.ehx.com\/catalog\/tubes-specs\/12AX7WA.pdf\u003c\/a\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":22138252329078,"sku":"Sovtek12AX7WA","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/sovtek12ax7wa.jpg?v=1549578318"},{"product_id":"sovtek-12ax7wb","title":"Sovtek 12AX7WB","description":"\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva; font-size: small; color: #000000;\"\u003eThe Sovtek 12AX7WB has a bit more gain that the WA. OEM for many amp makers. Low microphonics, durable - great for those on a budget.\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003cp\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: small;\"\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003ca href=\"http:\/\/shop.ehx.com\/catalog\/tubes-specs\/12AX7WB.pdf\" target=\"0\"\u003ehttp:\/\/shop.ehx.com\/catalog\/tubes-specs\/12AX7WB.pdf\u003c\/a\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"No","offer_id":22138252460150,"sku":"Sovtek12AX7WB-04","price":27.95,"currency_code":"USD","in_stock":true},{"title":"Matched Gain (+$3.00)","offer_id":22138252361846,"sku":"Sovtek12AX7WB-01","price":30.95,"currency_code":"USD","in_stock":true},{"title":"Balanced Triodes (+$3.00)","offer_id":22138252394614,"sku":"Sovtek12AX7WB-02","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/sovtek12ax7wb.jpg?v=1549578320"},{"product_id":"sovtek-12ax7wc","title":"Sovtek 12AX7WC","description":"\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva; font-size: small;\"\u003eThe Sovtek 12AX7WC is rugged, durable, and has a fairly strong overall output. Super low microphonics - nice for combo amps or other scenarios that might induce tube rattling.\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva; font-size: small;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: small;\"\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/shop.ehx.com\/catalog\/tubes-specs\/12AX7WC.pdf\" target=\"0\"\u003ehttp:\/\/shop.ehx.com\/catalog\/tubes-specs\/12AX7WC.pdf\u003c\/a\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"None","offer_id":40184358436925,"sku":"","price":27.95,"currency_code":"USD","in_stock":true},{"title":"Matched Gain (+$3.00)","offer_id":22138252492918,"sku":"Sovtek12AX7WC-01","price":30.95,"currency_code":"USD","in_stock":true},{"title":"Balanced Triodes (+$3.00)","offer_id":22138252525686,"sku":"Sovtek12AX7WC-02","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/sovtek12ax7wc.jpg?v=1549578323"},{"product_id":"ei-ecc83","title":"Ei ECC83","description":"\u003cp\u003eThe Ei ECC83\/12AX7's were produced in Yugoslavia on Telefunken tooling and resemble the smooth plate Telefunken series. These are phase inverter grade only, not suitable for any other positions due to microphonics.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":22138273857654,"sku":"EiECC83","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/ei-ecc83-12ax7.jpg?v=1549578465"},{"product_id":"anos-telefunken-12ax7-ecc83","title":"ANOS Telefunken 12AX7\/ECC83","description":"\u003cp\u003eRibbed or smooth plate, these are used pulls, but test as new. \u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Ribbed plate","offer_id":43141275222077,"sku":"telefunken12ax7rib","price":104.95,"currency_code":"USD","in_stock":true},{"title":"Smooth plate","offer_id":43141275254845,"sku":"telefunken12ax7smooth","price":119.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/telefunken-12ax7-ribbed-plate.jpg?v=1549578471"},{"product_id":"jan-ge-5751","title":"JAN GE 5751","description":"New Old Stock JAN GE 5751","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":22138295681142,"sku":"GE5751","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/jan-ge-5751.jpg?v=1603929097"},{"product_id":"anos-rca-12ax7a-7025","title":"ANOS RCA 12AX7A\/7025","description":"\u003cp\u003eLightly used and test as new ANOS RCA 12AX7A's, hifi pulls etc. If you're thinking about spending $68 for new current production russian tubes with gold plated pins and fancy packaging well think again!\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":22138314326134,"sku":"ANOSRCA12AX7","price":89.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/anos-rca-12ax7a.jpg?v=1549578633"},{"product_id":"anos-tungsram-ecc83-12ax7","title":"ANOS Tungsram ECC83\/12AX7","description":"\u003cp\u003eWe have 4 Tungsram pulls in stock that test like new 12AX7's. Price is for one(1) tube.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":22138318389366,"sku":"anostungsram12ax7","price":69.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/files\/ANOS_Tungsram_ECC83.jpg?v=1756485306"},{"product_id":"anos-assorted-12ax7","title":"ANOS assorted 12AX7","description":"\u003cp\u003eANOS assorted12AX7's, used GE, Sylvania, etc pulls, test as new! Save 50%. Assorted brands. RCA, Telefunken and European tubes available for an additional premium. Test like new.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":22138318454902,"sku":"anos12AX7","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/files\/1000033550.jpg?v=1750964520"},{"product_id":"ruby-7025ss-hg","title":"Ruby 7025SS HG","description":"\u003cp\u003eRuby 7025 high grade. Old factory Shuguang 12AX7B's with a gray anode. Not guaranteed to work in sensitive V1 spots, but fine in V2 spots and down the line(2nd and 3rd gain stages, effects loop and phase inverter). We have a limited supply of these great tubes that are no longer being produced. \u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"None","offer_id":41381048123453,"sku":"","price":22.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/files\/20240520_170559.jpg?v=1716239463"},{"product_id":"jan-philips-5751","title":"JAN Philips 5751","description":"JAN Sylvania 5751","brand":"vendor-unknown","offers":[{"title":"None","offer_id":40188438642749,"sku":"janphilips5751","price":79.95,"currency_code":"USD","in_stock":true},{"title":"Balanced Triodes","offer_id":40188441133117,"sku":"","price":84.95,"currency_code":"USD","in_stock":true},{"title":"Matched Triodes","offer_id":40188441165885,"sku":"","price":84.95,"currency_code":"USD","in_stock":true},{"title":"Balanced and matched triodes","offer_id":40188441198653,"sku":"","price":89.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/nos-jan-philips-5751.jpg?v=1661384367"},{"product_id":"nos-chinese-12ax7","title":"NOS-Chinese 12AX7","description":"\u003cp\u003eBrand new unused new old stock triple mica 1980's and 90's Chinese 12AX7's with the dimpled square foil getter. Mesa Boogie, Marshall and Peavey used these tubes back then. These test high grade so should probably be avoided in the most sensitive V1 spot, but are fine for V2 and down the line. Limited supply of these out of production tubes from the closed Beijing tube factory. \u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"None","offer_id":41704481652797,"sku":"","price":31.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/nos-chinese_2.jpg?v=1549578727"},{"product_id":"nos-ge-12ax7","title":"NOS GE 12AX7","description":"\u003cp\u003eNOS GE 12AX7, solid new old stock tube, 3 pieces available. Price is for one tube. Short plate available.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":22138335985782,"sku":"JANGE12AX7WA","price":139.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/files\/20241120_141901.jpg?v=1732130911"},{"product_id":"sovtek-5751","title":"Sovtek 5751","description":"Lower gain 12AX7 sub with a gain factor of 70. The long plate makes it great in the phase inverter spot, a position which can impact the overall feel of your amp. Avoid these in high voltage cathode follower(CF) spots, these cannot withstand prolonged high voltage. They also don't appear to light up because of the spiral filaments, please listen to your amp before emailing us about a DOA tube!","brand":"vendor-unknown","offers":[{"title":"None","offer_id":22138341982326,"sku":"Sovtek5751-04","price":29.95,"currency_code":"USD","in_stock":true},{"title":"Matched Triodes(+$3.00)","offer_id":22138341884022,"sku":"Sovtek5751-01","price":32.95,"currency_code":"USD","in_stock":true},{"title":"Balanced Triodes(+$3.00)","offer_id":22138341916790,"sku":"Sovtek5751-02","price":32.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/sovtek-5751.jpg?v=1549578828"},{"product_id":"genelex-gold-lion-12ax7-standard-pin","title":"Genelex Gold Lion 12AX7 standard pin","description":"\u003cp\u003eThe Genalex Gold Lion 12AX7\/ECC83 Standard Pins is a low cost alternative to the Genalex Gold Lion B759\/12AX7 Gold Pins. This tube has a short plate format for reduced microphonics and has been put through a special selection process to ensure low noise and good balance of gain between the two triode sections. Get Genalex Gold Lion quality at almost half the cost. The price is for a single tube.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"http:\/\/shop.ehx.com\/catalog\/tubes-specs\/12AX7%20Genalex.pdf\" target=\"0\"\u003ehttp:\/\/shop.ehx.com\/catalog\/tubes-specs\/12AX7%20Genalex.pdf\u003c\/a\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"None","offer_id":22138343260278,"sku":"GL12AX7std-02","price":34.9,"currency_code":"USD","in_stock":true},{"title":"High Gain(+3.00)","offer_id":40181729919037,"sku":"","price":37.9,"currency_code":"USD","in_stock":true},{"title":"Matched triodes(+3.00)","offer_id":40181732245565,"sku":"","price":37.9,"currency_code":"USD","in_stock":true},{"title":"Balanced Triodes(+3.00)","offer_id":40181732737085,"sku":"","price":37.9,"currency_code":"USD","in_stock":true},{"title":"Low gain(80-95 on VTV)","offer_id":22138343227510,"sku":"GL12AX7std-01","price":34.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/gold-lion-12ax7-std.jpg?v=1549578855"},{"product_id":"ruby-12ax7wbc-hg","title":"Ruby 12AX7WBC HG","description":"Here is a new Ruby tube, a chinese Shuguang copy of the Sovtek 12AX7WB. Give them a listen!. ","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":22138353090678,"sku":"Ruby12ax7wbcHG","price":26.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/ruby-12ax7wbc-hg.jpg?v=1549578914"},{"product_id":"anos-mullard-12ax7","title":"ANOS Mullard 12AX7","description":"\u003cp\u003eANOS Mullard 12AX7's, used pulls, test as new! Price is for a single tube.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":22138354139254,"sku":"anosmullard12ax7","price":114.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/files\/ANOS_Mullard_12AX7_blackburn.jpg?v=1774458500"},{"product_id":"copy-of-ruby-12ax7acz-hg","title":"Ruby 12AX7ACZ HG+","description":"The Ruby 12AX7ACZ HG+ is a re-labeled JJ ECC83. It's the highest gain of all the 12AX7's, loved by classic rock and heavy metal guitarists. Plenty of chunk and on the dark side. Also the same grade as our JJ ECC83.","brand":"vendor-unknown","offers":[{"title":"None","offer_id":40195269132349,"sku":"","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Balanced triodes","offer_id":40195269197885,"sku":"","price":28.95,"currency_code":"USD","in_stock":true},{"title":"High Gain","offer_id":40195269230653,"sku":"","price":28.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/files\/1000033559_15d555b4-98c4-4225-a0fb-f7487104dff4.jpg?v=1750985818"},{"product_id":"ruby-12ax7cs-hg","title":"Ruby 12AX7CS HG","description":"The Ruby 12AX7CS HG High Grade tube is the Psvane ECC83, but distributed by Magic Parts. These are a very consistently made tube, sweet sounding, and very warm. High grade is a measuring system used by Magic Parts, which basically means the tube is better suited for amps that need more quiet tubes.","brand":"vendor-unknown","offers":[{"title":"Standard","offer_id":40195303309373,"sku":"","price":22.95,"currency_code":"USD","in_stock":true},{"title":"Matched Triodes (+$3.00)","offer_id":40195303342141,"sku":"Ruby12AX7AC5HG-01","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Balanced Triodes (+$3.00)","offer_id":40195303374909,"sku":"Ruby12AX7AC5HG-02","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Matched Pair (Two Tubes)","offer_id":40195303407677,"sku":"Ruby12AX7AC5HG-03","price":51.9,"currency_code":"USD","in_stock":true},{"title":"Low gain(85-100 per VTV)","offer_id":40195303440445,"sku":"Ruby12AX7AC5HG-04","price":22.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/files\/1000033560.jpg?v=1750985737"},{"product_id":"ruby-12ax7cs-hg-1","title":"Ruby 12AX7CS HG+","description":"The Ruby 12AX7CS High Grade Plus tube is the Psvane ECC83, but distributed by Magic Parts. These are a very consistently made tube, sweet sounding, and very warm. \"High grade +\" is one of the labels in the measuring system used by Magic Parts. It basically means the tube is best suited for the most sensitive first gain V1 spots.","brand":"vendor-unknown","offers":[{"title":"Standard","offer_id":40195306127421,"sku":"Ruby12AX7AC5HG","price":25.95,"currency_code":"USD","in_stock":true},{"title":"Matched Gain (+$3.00)","offer_id":40195306160189,"sku":"Ruby12AX7AC5HG+-01","price":28.95,"currency_code":"USD","in_stock":true},{"title":"Balanced Triodes (+$3.00)","offer_id":40195306192957,"sku":"Ruby12AX7AC5HG+-02","price":28.95,"currency_code":"USD","in_stock":true},{"title":"Matched Pair(2 tubes)","offer_id":40195306225725,"sku":"Ruby12AX7AC5HG+-03","price":57.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/files\/1000033561.jpg?v=1750985662"},{"product_id":"psvane-ecc-83","title":"Psvane ECC83","description":"\u003cspan\u003e**NEW** Psvane premium ECC83\/12AX7\u003c\/span\u003e","brand":"vendor-unknown","offers":[{"title":"Standard","offer_id":40195308191805,"sku":"","price":21.95,"currency_code":"USD","in_stock":true},{"title":"Matched Triodes (+$3.00)","offer_id":40195308224573,"sku":"Ruby12AX7AC5HG-01","price":24.95,"currency_code":"USD","in_stock":true},{"title":"Balanced Triodes (+$3.00)","offer_id":40195308257341,"sku":"Ruby12AX7AC5HG-02","price":24.95,"currency_code":"USD","in_stock":true},{"title":"Matched Pair (Two Tubes)","offer_id":40195308290109,"sku":"Ruby12AX7AC5HG-03","price":49.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/files\/Psvane-ECC83.jpg?v=1684962142"},{"product_id":"electro-harmonix-7025","title":"Electro-Harmonix 7025","description":"\u003cp\u003e\u003cspan\u003eElectro-Harmonix has released a low noise, low microphonic version of the 12AX7 that meets all specifications required for the tube to be designated 7025. The original 7025 tube was a 12AX7 that was tested and selected for the lowest noise and microphonics for use in the critical first preamp stages of amplifiers where noise and microphonics could be an issue.\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: small;\"\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/shop.ehx.com\/catalog\/tubes-specs\/7025EH.pdf\" target=\"0\"\u003ehttp:\/\/shop.ehx.com\/catalog\/tubes-specs\/7025EH.pdf\u003c\/a\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Standard","offer_id":40443488632893,"sku":"EH7025std","price":26.95,"currency_code":"USD","in_stock":true},{"title":"Matched sides($3.00)","offer_id":40443488665661,"sku":"EG7025mat","price":29.95,"currency_code":"USD","in_stock":true},{"title":"Balanced Triodes(+3.00)","offer_id":40443488698429,"sku":"EH7025bal","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/EH-7025_Electro-Harmonix-7025.jpg?v=1672353266"},{"product_id":"copy-of-ruby-e83cc-cz-hg","title":"Ruby E83CC-CZ HG","description":"\u003cp\u003eThe Ruby E83CC-CZ High Grade is a hand selected JJ E83CC.  Plenty of chunk and detail, on the dark side.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"None","offer_id":40926450024509,"sku":null,"price":29.95,"currency_code":"USD","in_stock":true},{"title":"Balanced triodes","offer_id":40926450057277,"sku":null,"price":32.95,"currency_code":"USD","in_stock":true},{"title":"High Gain","offer_id":40926450090045,"sku":null,"price":32.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/files\/Rubye83cc-cz-hg.jpg?v=1703117560"},{"product_id":"teslovak-e83ccs","title":"Teslovak E83CCS","description":"\u003cp\u003eThirty years ago, Penta Labs in California had a newly formed tube company JJ Electronics in Slovakia founded by Jan Jurco in 1993, produce a high end 12AX7. Using the Penta Labs trademarked brand name Teslovak, they produced the E83CCS, a lower noise high end 12AX7. We have a few of these dated 1996. The new JJ factory was just 3 years old, time does fly when you're having fun.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"None","offer_id":42117670764605,"sku":"","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/files\/20250315_160941.jpg?v=1742070375"},{"product_id":"nos-rca-12ax7-1","title":"NOS RCA 12AX7","description":"\u003cp\u003eNOS RCA 12AX7, solid new old stock tube, 2 pieces available. Price is for one tube. \u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":42436127129661,"sku":null,"price":179.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/files\/1000033549.jpg?v=1750961416"},{"product_id":"national-ge-5751-blackplate","title":"National GE 5751 blackplate","description":"\u003cp\u003eNational branded GE 5751 blackplate triple mica D getter, new old stock, a drop in 12AX7 replacement with 30% less gain.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"None","offer_id":42505399468093,"sku":"GE 5751 blackplate","price":89.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/files\/GE_5751_blackplate.jpg?v=1753993912"},{"product_id":"sovtek-12ax7wc-copy","title":"Sovtek 12AX7WXT+","description":"\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva; font-size: small;\"\u003eThe Sovtek 12AX7WXT+ is rugged, durable, and has a fairly strong overall output. Super low microphonics - nice for combo amps or other scenarios that might induce tube rattling. No longer available, this old stock is from 1998.\u003c\/span\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"None","offer_id":42505414410301,"sku":null,"price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/files\/Sovtek_12AX7WXT.jpg?v=1753995986"},{"product_id":"sovtek-12ax7lp","title":"Sovtek 12AX7LP","description":"\u003cp\u003eThe Sovtek 12AX7LP is a long plated non spiral filament dual triode. High gain, and low noise, is nicely balanced all around - not bright. Players with combo amps or those who like to play on max volume may want to reconsider, as the 12AX7LP can be prone to microphonics (due to the long plate). The long plate makes it great in the phase inverter spot, a position which can impact the overall feel of your amp. Avoid these in high voltage cathode follower(CF) spots, these cannot withstand prolonged high voltage. They also don't appear to light up because of the spiral filaments, please listen to your amp before emailing us about a DOA tube! Old stock from 1999. 5 available.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: small;\"\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/shop.ehx.com\/catalog\/tubes-specs\/12ax7lp-sovtek.pdf\"\u003ehttp:\/\/shop.ehx.com\/catalog\/tubes-specs\/12ax7lp-sovtek.pdf\u003c\/a\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"None","offer_id":42505514352701,"sku":"Sovtek12AX7LP","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/files\/Sovtek_12AX7LP.jpg?v=1753998549"},{"product_id":"tung-sol-12ax7-reissue","title":"Tung-Sol 12AX7 reissue","description":"\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva; font-size: small;\"\u003eThe Tung Sol 12AX7 is warm and big musically. Very consistently made tube. High gain, super low microphonics, and superb linearity with a three dimensional tone. For more clean headroom in your amp, order this tube with the low gain option at no extra cost.(Similar to a 5751 in gain). Avoid these in high voltage cathode follower (CF)spots.\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: small;\"\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva; font-size: small;\"\u003e\u003ca title=\"\u0026lt; Tung-Sol 12AX7 - Data Sheet \u0026gt;\" href=\"http:\/\/www.dougstubes.com\/12ax7-tungsol.pdf\" target=\"_blank\"\u003e\u003cspan style=\"color: #003366;\"\u003eTung-Sol 12AX7 Data Sheet\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Standard","offer_id":42863790489661,"sku":"TungSol12AX7re-issue","price":23.95,"currency_code":"USD","in_stock":true},{"title":"High gain(+$3.00)","offer_id":42863790522429,"sku":"TungSol12AX7re-issue-04","price":26.95,"currency_code":"USD","in_stock":false},{"title":"Matched Gain (+$3.00)","offer_id":42863790555197,"sku":"TungSol12AX7re-issue-01","price":26.95,"currency_code":"USD","in_stock":true},{"title":"Balanced Triodes (+$3.00)","offer_id":42863790587965,"sku":"TungSol12AX7re-issue-02","price":26.95,"currency_code":"USD","in_stock":true},{"title":"Low gain(85-95 on VTV)","offer_id":42863790620733,"sku":"TungSol12AX7re-issue-03","price":23.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0329\/9801\/products\/tungsol12ax7re-issue.jpg?v=1549578336"}],"url":"https:\/\/dougstubes.com\/collections\/12ax7-ecc83-7025.oembed?page=4","provider":"Doug's Tubes","version":"1.0","type":"link"}